Pamphlet 'The Grasshopper Danger.' Prepared by the Legislative Committee of the Regional Grasshopper and Mormon Cricket Conference. Held in Sioux Falls, South Dakota, August 26, 1937. Note: This pamphlet explained the need for grasshopper...

This is thought to be an experimental Grasshopper Harvester for use in corn. There are three near vertical backboards with a triangular trough at the bottom. The troughs had water and a layer of kerosene in it. The grasshoppers were supposed to...